Finding the Fourth Proportional to 1,438,205.54, 2,156,747.76 and 539,156.84
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Solution
The fourth proportional to 1,438,205.54, 2,156,747.76 and 539,156.84 is: 808,525.12
Step by Step Solution
- Step 1: Write the proportion equation
1,438,205.54 : 2,156,747.76 = 539,156.84 : x - Step 2: Convert to fraction form
1,438,205.54/2,156,747.76 = 539,156.84/x - Step 3: Cross multiply
1,438,205.54x = 2,156,747.76 × 539,156.84 - Step 4: Simplify right side
1,438,205.54x = 1,162,825,296,174.94 - Step 5: Solve for x
x = 1,162,825,296,174.94/1,438,205.54 - Step 6: Final answer
x = 808,525.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.